<!DOCTYPE html>
<html lang="Zh-CN">
<head>
  <meta charset="utf-8">
  <title>02-Button Demo</title>
  <!-- Link CSS -->
  <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
  <link rel="stylesheet" href="css/style.css">
</head>
<body>
	<label>
		<input type="checkbox" name="">
		<span class="btn"></span>
		<i class="fa fa-power-off"></i>
	</label>
</body>
</html>